TY  - BOOK
AU  - Hirsch,Christian R.
AU  -  Schoen Harold L.
TI  - Trigonometry and its applications
SN  - 0070290741
U1  - 514.5 20
PY  - 1990///
CY  - California
PB  - McGraw Hill
KW  - Trigonometry
N1  - Includes index
ER  -